.menu-left,
.menu-right {
    position: fixed;
    left: 0;
    top: 44px;
    bottom: 0;
    overflow-y: scroll;
}

.menu-right #loading {
    left: 11px;
    top: 44px;
}

.menu-left {
    background: #F6F6F9;
}

.menu-left ul li {
    box-sizing: border-box;
    /* font-size: 12px; */
    color: #333;
    min-width: 76px;
    max-width: 120px;
    height: 42px;
    line-height: 42px;
    text-align: center;
}

.menu-left ul li.active {
    background: #fff;
    position: relative;
}

.menu-left ul li.active:before {
    content: " ";
    position: absolute;
    display: block;
    width: 2px;
    height: 100%;
    background: #07c160;
    top: 0;
    left: 0;
}